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Finding the Fourth Proportional to 8,120.53, 11,206.99 and 4,584.27

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Solution

The fourth proportional to 8,120.53, 11,206.99 and 4,584.27 is: 6,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.53 : 11,206.99 = 4,584.27 : x
  2. Step 2: Convert to fraction form
    8,120.53/11,206.99 = 4,584.27/x
  3. Step 3: Cross multiply
    8,120.53x = 11,206.99 × 4,584.27
  4. Step 4: Simplify right side
    8,120.53x = 51,375,868.05
  5. Step 5: Solve for x
    x = 51,375,868.05/8,120.53
  6. Step 6: Final answer
    x = 6,326.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.